package com.skillworld.webapp.web.pages.rest.item;

import java.util.List;
import java.util.Locale;

import org.apache.tapestry5.annotations.ContentType;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.annotations.SessionState;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.annotations.InjectService;
import org.apache.tapestry5.services.Request;

import com.skillworld.webapp.model.item.Item;
import com.skillworld.webapp.model.itemservice.ItemService;
import com.skillworld.webapp.model.user.User;
import com.skillworld.webapp.model.userservice.UserService;
import com.skillworld.webapp.web.services.I18n;
import com.skillworld.webapp.web.util.ErrorMessages;
import com.skillworld.webapp.web.util.UserSession;

import es.udc.pojo.modelutil.exceptions.InstanceNotFoundException;

@ContentType("text/xml")
public class VisitStore
{    
    @SuppressWarnings("unused")
    @Property
    private String errorMessage = null;
    
    @SuppressWarnings("unused")
    @Property
    private List<Item> store;
    
    @SuppressWarnings("unused")
    @Property
    private Item item;   // loop iterator
    
    @SuppressWarnings("unused")
    @Property
    private User user;
    
    @SuppressWarnings("unused")
    @Property
    private Locale locale;

    @Inject
    private UserService userService;
    
    @Inject
    private ItemService itemService;
   
    @InjectService("I18n")
    private I18n i18n;
    
    @SessionState(create=false)
    private UserSession userSession;
    
    private boolean userSessionExists;
    
    @Inject
    private Request request;
    
    
    void onPassivate() 
    {
        return;
    }   
       
    void onActivate()
    {
        if (!userSessionExists)
        {
            errorMessage = ErrorMessages.NOT_LOGGED_IN;
            return;
        }
        
        String langParam = request.getParameter("lang");
        
        try 
        {
            locale = i18n.selectLocale(langParam);
            user = userService.findUserProfile(userSession.getUserId());
            store = itemService.visitStore();
        }
        catch (NumberFormatException e)
        { this.errorMessage = ErrorMessages.INVALID_ARGUMENTS; }
        catch (InstanceNotFoundException e)
        { this.errorMessage = ErrorMessages.APPLICATION_ERROR; }            
    }
}
